Quote:
Originally Posted by raygj
leave likebook on charge for several hours
press the power-button in and hold in ( for about 30 seconds or more) until likebook reboots(this is the standard android reboot procedure for a frozen android system)
if this does not work then
just turn likebook off (power-off)
reinstall 8.1 upgrade
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��Likebook Mars (T80D) Android 8.1 Released for Better Apps Installation and Reading Experience!
��Upgrade Instruction Download (Upgrade from 6.0 to 8.1, Only for Mars!!):
��P.S. Upgrade tool should be put into the root directory of your PC.
<https://www.facebook.com/BoyueLikebook/posts/2787619344801982>
take some time and click on the 'comments' link in the first post in the above facebook page and read the various posts/comment (approx.number of 138 comments/questions/solutions, at this time of my posting) in the above facebook/BoyueLikebook/posts/2787619344801982 facebook page.